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Essential Protocols:

Description:

The Relational and Item-Specific Encoding Task (RiSE) is a computerized test, developed in Eprime by the Cognitive Neuroscience Test Reliability and Clinical applications for Schizophrenia (CNTRACS) consortium, which evaluates item-specific encoding and relational encoding. The subject views visual objects (pictures) and responds yes/no to whether the objects are "living" (item-specific encoding). The subject then views pairs of visual objects and responds yes/no to whether or not one item can fit into the other (relational encoding). Then the subject views visual objects and indicates whether each object was "old" or "new," responding by way of confidence level high, medium, or low (item recognition). Lastly, the subject views pairs of visual objects and responds yes/no to whether or not the pairs were presented together in the relational encoding test (associative recognition).

Specific Instructions:

There are three test forms available, each with different visual objects (pictures). The tests are in English; however, since the task uses pictures instead of words, the subject does not have to speak English to perform the task.

Protocol Name from Source:

Availability:

Personnel and Training Required

The interviewer must be trained to conduct personal interviews with individuals from the general population. The interviewer must be trained and found to be competent (i.e., tested by an expert) at the completion of personal interviews. The interviewer should be trained to prompt respondents further if a "don’t know" response is provided. Training by an experienced group in administering and analyzing the results is recommended.

Equipment Needs

The PhenX Working Group acknowledges these questions are administered in a computerized format. The interviewer will require a laptop computer/handheld computer to administer this protocol. Eprime computer software is necessary to conduct this protocol.

Requirements

Requirement Category

Required

Major equipment

No

Specialized training

No

Specialized requirements for biospecimen collection

No

Average time of greater than 15 minutes in an unaffected individual

Yes

Mode of Administration

Performance-based task

Life Stage:

Adolescent, Adult, Senior

Participants:

Individuals 12 and older

Selection Rationale

The Cognitive Neuroscience Test Reliability and Clinical applications for Schizophrenia (CNTRACS) tasks have been used for many years. The tasks have been well studied in CNTRACS and have good test/re-test reliability. The tasks are very easy to use and have standardized instructions and a high level of subject acceptability. CNTRACS contains psychology resources that can be used by individuals who are not psychologists.